DEV Community

JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Using React Hooks with Canvas

Using React Hooks with Canvas

20
Comments
9 min read
Weekly Coding Challenge - The Complete Guide

Weekly Coding Challenge - The Complete Guide

97
Comments 2
2 min read
Essential JavaScript code for lists

Essential JavaScript code for lists

170
Comments
7 min read
Difference between encodeURI and encodeURIComponent

Difference between encodeURI and encodeURIComponent

19
Comments 5
1 min read
How to uncurry this

How to uncurry this

7
Comments 1
6 min read
What is Object-Relational Mapping? How to Roll-Your-Own JavaScript ORM

What is Object-Relational Mapping? How to Roll-Your-Own JavaScript ORM

60
Comments 1
14 min read
React Hooks summarized

React Hooks summarized

10
Comments 1
8 min read
Secure Your Mobile App - Episode Two (Securing Data at Rest)

Secure Your Mobile App - Episode Two (Securing Data at Rest)

8
Comments
5 min read
ReasonML with GraphQL, the Future of Type-Safe Web Applications

ReasonML with GraphQL, the Future of Type-Safe Web Applications

80
Comments 4
9 min read
React's Hooks could be more portable

React's Hooks could be more portable

38
Comments 2
4 min read
Easiest way to implement infinite scroll in Vue.js

Easiest way to implement infinite scroll in Vue.js

13
Comments
3 min read
21 Useful Open Source Packages for React Native

21 Useful Open Source Packages for React Native

57
Comments
9 min read
React and Firebase eCommerce Site Walkthrough

React and Firebase eCommerce Site Walkthrough

32
Comments 1
6 min read
Part 5. Clock-in/out System: Seed Database and migration data

Part 5. Clock-in/out System: Seed Database and migration data

33
Comments 2
5 min read
NodeJS Rest Express MongoDB and more: typescript, passport, JWT, socket.io, HTTP2, async/await, nodemailer, templates.

NodeJS Rest Express MongoDB and more: typescript, passport, JWT, socket.io, HTTP2, async/await, nodemailer, templates.

24
Comments 1
1 min read
Create a Salesforce lead from Typeform in less than half an hour

Create a Salesforce lead from Typeform in less than half an hour

15
Comments
5 min read
Laxxx.js - create beautiful animations when you scrolllll!

Laxxx.js - create beautiful animations when you scrolllll!

8
Comments 1
1 min read
An Example of Nuxt.js with a Custom Generator

An Example of Nuxt.js with a Custom Generator

10
Comments
4 min read
Experimenting with Web Assembly and Node.js

Experimenting with Web Assembly and Node.js

39
Comments 15
4 min read
e2e experience with cypress.io

e2e experience with cypress.io

11
Comments
5 min read
Secure Your Mobile App - Episode One (Protecting the Code)

Secure Your Mobile App - Episode One (Protecting the Code)

4
Comments
9 min read
TypeScript introduction part III - generics & stuff

TypeScript introduction part III - generics & stuff

57
Comments
9 min read
How to build a Web App

How to build a Web App

51
Comments 5
4 min read
How to write a plugin for Prettier

How to write a plugin for Prettier

17
Comments 3
12 min read
How to Deep Clone an Array in JavaScript

How to Deep Clone an Array in JavaScript

170
Comments 31
4 min read
Deployment Struggles - React app to Heroku

Deployment Struggles - React app to Heroku

10
Comments
3 min read
Gatsby + Linaria = 💜

Gatsby + Linaria = 💜

7
Comments
4 min read
The difference between dependencies and devDependencies in a JavaScript project

The difference between dependencies and devDependencies in a JavaScript project

20
Comments 2
2 min read
Why I'm using Surge and not GitHub Pages

Why I'm using Surge and not GitHub Pages

131
Comments 20
4 min read
ES6 Proxies en práctica

ES6 Proxies en práctica

30
Comments 6
3 min read
WTF is Serverless?

WTF is Serverless?

6
Comments
1 min read
Prevent Object Retrieval TypeError with &&

Prevent Object Retrieval TypeError with &&

61
Comments 18
4 min read
The Chrome Dev Summit site: case study

The Chrome Dev Summit site: case study

58
Comments
6 min read
Using TypeScript's absolute paths in Create React App 2.0 without ejecting

Using TypeScript's absolute paths in Create React App 2.0 without ejecting

22
Comments 3
4 min read
JavaScript Quick Tip: Named functions for sane debugging

JavaScript Quick Tip: Named functions for sane debugging

63
Comments 7
2 min read
Manipulating Arrays in JavaScript

Manipulating Arrays in JavaScript

15
Comments
8 min read
👩‍🎓 Open Source Exam Simulator

👩‍🎓 Open Source Exam Simulator

128
Comments 12
2 min read
How to Reverse a String in JavaScript

How to Reverse a String in JavaScript

48
Comments 5
6 min read
All you wanted to know about CORS

All you wanted to know about CORS

44
Comments 8
12 min read
A Newbie’s Understanding Of Recursion In JavaScript… (Wash, Rinse, and Repeat)

A Newbie’s Understanding Of Recursion In JavaScript… (Wash, Rinse, and Repeat)

12
Comments
5 min read
Node.js and Express Tutorial: Building and Securing RESTful APIs

Node.js and Express Tutorial: Building and Securing RESTful APIs

33
Comments
1 min read
Iterating through JavaScript Objects  -  5 Techniques and Performance Tests.

Iterating through JavaScript Objects  -  5 Techniques and Performance Tests.

6
Comments
5 min read
Introduction to JavaScript Switch Cases

Introduction to JavaScript Switch Cases

5
Comments
3 min read
Computer science in JavaScript: Circular Doubly-linked lists

Computer science in JavaScript: Circular Doubly-linked lists

9
Comments 1
10 min read
Where do I start? Part 3: JavaScript

Where do I start? Part 3: JavaScript

71
Comments 7
3 min read
The Rise of the Web App

The Rise of the Web App

44
Comments 6
7 min read
Creating A Custom, Accessible Drop Down

Creating A Custom, Accessible Drop Down

124
Comments 32
7 min read
Combine coverage reports from Electron tests

Combine coverage reports from Electron tests

10
Comments 3
3 min read
Locally developing and debugging Twilio Functions

Locally developing and debugging Twilio Functions

7
Comments
9 min read
Baby Steps in GraphQL👶

Baby Steps in GraphQL👶

75
Comments
4 min read
The Best Online Learning Resources for Web Developers

The Best Online Learning Resources for Web Developers

166
Comments 6
9 min read
Real-time Collaborative Drawing with GraphQL & AWS AppSync

Real-time Collaborative Drawing with GraphQL & AWS AppSync

61
Comments 2
3 min read
Short Circuit Assignment

Short Circuit Assignment

6
Comments
3 min read
Demeter’s Law: Don’t talk to strangers!

Demeter’s Law: Don’t talk to strangers!

77
Comments 10
4 min read
6 Mistakes You Might Be Making As A New Web Developer & How To Avoid Them

6 Mistakes You Might Be Making As A New Web Developer & How To Avoid Them

691
Comments 65
4 min read
Accessibility first: DropDown (Select)

Accessibility first: DropDown (Select)

87
Comments 12
5 min read
Refactoring a small Next app to use Hooks

Refactoring a small Next app to use Hooks

35
Comments 4
6 min read
My React components repository

My React components repository

40
Comments 6
2 min read
Javascript: Let's create a proxy

Javascript: Let's create a proxy

37
Comments 1
7 min read
Building context-aware NodeJS bots using Servo

Building context-aware NodeJS bots using Servo

7
Comments
1 min read
loading...